chore(deps): update hashicorp/vault-action action to v4 (main)

[elastic-renovate-prod]

This PR contains the following updates:

Package	Type	Update	Change
hashicorp/vault-action	action	major	v2.8.1 → v4.0.0

---

Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

---

Release Notes

hashicorp/vault-action (hashicorp/vault-action)

v4.0.0

Compare Source

4.0.0 (May 12, 2026)

Improvements:

• Bump node runtime from node20 to node24 GH-604
• Fix leading slash in secret paths causing HTTP 400 errors (e.g. /cubbyhole/test → v1/cubbyhole/test instead of v1//cubbyhole/test)
• bump jsrsasign from 11.1.0 to 11.1.3
• bump body-parser from 1.20.3 to 1.20.5
• bump qs from 6.13.0 to 6.15.1
• bump http-errors from 2.0.0 to 2.0.1
• bump minimatch from 3.1.2 to 3.1.5
• bump underscore from 1.13.4 to 1.13.8

v3.4.0

Compare Source

3.4.0 (June 13, 2025)

Bugs:

• replace all dot chars during normalization (#​580)

Improvements:

• Prevent possible DoS via polynomial regex (#​583)

v3.3.0

Compare Source

3.3.0 (March 3, 2025)

Features:

• Wildcard secret imports can use ** to retain case of exported env keys GH-545

v3.2.0

Compare Source

3.2.0 (March 3, 2025)

Improvements:

• Add retry for jwt auth login to fix intermittent login failures GH-574

v3.1.0

Compare Source

3.1.0 (January 9, 2025)

Improvements:

• fix wildcard handling when field contains dot GH-542
• bump body-parser from 1.20.0 to 1.20.3
• bump braces from 3.0.2 to 3.0.3
• bump cross-spawn from 7.0.3 to 7.0.6
• bump micromatch from 4.0.5 to 4.0.8

Features:

• secretId is no longer required for approle to support advanced use cases like machine login when bind_secret_id is false. GH-522
• Use pki configuration to generate certificates from Vault GH-564

v3.0.0

Compare Source

3.0.0 (February 15, 2024)

Improvements:

• Bump node runtime from node16 to node20 GH-528

---

Configuration

📅 Schedule: Branch creation - Between 01:00 AM and 01:59 AM, Monday through Friday ( * 1 * * 1-5 ) (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot.